UNKNOWN READ vulnerability in ghostscript: pdfi_dereference

ghostscript Updated 02 Oct 2025

Summary

20/12/2021
MEDIUM
No i
Medium
Not published

OSV-2021-1726: UNKNOWN READ in pdfi_dereference. Affected versions are not published. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored Devnack Mobile apps built by Devnack Design, build and launch iOS and Android apps with a senior product team. From idea to store release Start a project

Background

Ghostscript is an open-source interpreter for the PostScript language and the PDF file format. It is widely used for rendering and converting PDF files. This vulnerability affects the ghostscript package and is related to an unknown read issue in the pdfi_dereference function. The vulnerability has a medium severity rating and was reported through the OSS-Fuzz project.

Vulnerability Detail

The vulnerability involves an unknown read operation in the pdfi_dereference function of ghostscript. The exact cause and impact of the vulnerability are not specified in the provided information. However, it is mentioned that the crash state includes pdfi_deref_loop_detect and pdfi_dict_get functions. This vulnerability could potentially lead to arbitrary code execution or information disclosure.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

No specific workaround is mentioned in the provided information. It is advised to follow the recommended fix and update the ghostscript package to mitigate the vulnerability.

Conclusion

In conclusion, the ghostscript package is affected by an unknown read vulnerability in the pdfi_dereference function. The exact impact and cause of the vulnerability are not specified, but it has a medium severity rating. It is recommended to update the ghostscript package to the latest version to mitigate the vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.

See every vulnerability recorded for ghostscript →

Share this vulnerability

FAQ

Ghostscript is an open-source interpreter for the PostScript language and the PDF file format. It is commonly used for rendering and converting PDF files.

The impact of this vulnerability is not specified in the provided information. However, it could potentially lead to arbitrary code execution or information disclosure.

To fix this vulnerability, it is recommended to update the ghostscript package to the latest version available.

No specific workaround is mentioned in the provided information. It is advised to follow the recommended fix and update the ghostscript package.

More information about this vulnerability can be found in the OSS-Fuzz report linked in the provided information.

Related vulnerabilities

Recent vulnerabilities recorded for ghostscript.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback